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January 30, 2015

January 30, 2015

Posted by **Aaron** on Saturday, September 22, 2012 at 1:19am.

- Math -
**Steve**, Saturday, September 22, 2012 at 6:13amarea of walk of width w plus pool

(10+2w)(18+2w) = 180+429 = 609

4w^2 + 56w + 180 = 609

(2w-11)(2w+39) = 0

e = 11/2

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